Index: trunk/packages/invirt-dhcp/invirt-dhcpserver
===================================================================
--- trunk/packages/invirt-dhcp/invirt-dhcpserver	(revision 2981)
+++ trunk/packages/invirt-dhcp/invirt-dhcpserver	(revision 2982)
@@ -225,10 +225,12 @@
         else : s.syslog(s.LOG_INFO,"Get DHCPREQUEST_UNKNOWN_STATE packet : not implemented")
 
-        if self.backend.Request(packet) : packet.TransformToDhcpAckPacket()
-        else : packet.TransformToDhcpNackPacket()
-
-        self.SendPacket(packet)
-
-
+        if self.backend.Request(packet):
+            packet.TransformToDhcpAckPacket()
+            self.SendPacket(packet)
+        elif self.backend.Discover(packet):
+            packet.TransformToDhcpNackPacket()
+            self.SendPacket(packet)
+        else:
+            pass # We aren't authoritative, so don't reply if we don't know them.
 
     # FIXME: These are not yet implemented.